Chlef weather in October

In October, Chlef sees average daytime highs of 25°C and overnight lows near 15°C, with 37 mm of rain across 6.1 wet days and about 11.1 hours of daylight. It is the 5th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 27°C in the first days to 23°C by the end. The sky is clear or mostly clear about 47% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 36 min at the start of October to 10 h 30 min by month's end. Set against the rest of the year, October is Chlef's 6th-clearest and 11th-windiest month. For the whole year in context, see Chlef's year-round climate.

Daytime high
25°
5th warmest
Overnight low
15°
8th coldest
Rainfall
37 mm
6.1 wet days
Daylight
11 h 06 min
7:08 AM – 6:12 PM
Cloud cover
44%
6th clearest
Wind
8 km/h
11th windiest
Solar energy
4.06 kWh/m²
Travel score
7.6
out of 10

Chlef is city in Algeria.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 27°C in the first days to 23°C by the end.

A typical October day in Chlef reaches about 25°C in the afternoon and slips back to 15°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 29°C. Set against its neighbours, October runs about 5°C cooler than September and about 6°C warmer than November.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12717
22717
32717
42617
52617
62617
72616
82616
92616
102616
112516
122516
132516
142516
152515
162515
172515
182515
192415
202415
212415
222415
232414
242414
252414
262314
272314
282314
292314
302313
312213

How October really feels in Chlef

Once humidity and wind are folded in, October averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

October sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Chlef weather by month

How October compares with the rest of the year at a glance. October is the 5th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan15° / 558.99.84.7
Feb16° / 518.310.65.1
Mar18° / 52811.76.3
Apr21° / 11°508.212.96.9
May25° / 14°355.413.97.9
Jun30° / 19°71.514.46.9
Jul33° / 22°10.314.24.6
Aug33° / 22°61.113.44.4
Sep29° / 19°234.312.26.4
Oct25° / 15°376.111.17.6
Nov19° / 11°649.410.16.3
Dec16° / 4989.65.3

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 18% of October, with mostly cloudy or overcast conditions the remaining 35%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16931
26931
37030
47030
57030
66931
76931
86832
96832
106733
116733
126634
136535
146535
156436
166337
176337
186238
196238
206238
216238
226238
236337
246337
256337
266337
276238
286238
296337
306238
316238

Chance of precipitation in October

Any precipitation

Chlef gets around 37 mm of rain over 6.1 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 21% and peaks near 24% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
118
218
318
418
518
618
719
819
920
1020
1121
1221
1322
1422
1522
1622
1722
1822
1922
2021
2121
2221
2321
2421
2521
2621
2722
2822
2922
3023
3124

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

Most of October feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, October lands in the dry band about 40% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12140363
22141353
32241343
42441333
52541322
62641312
72741302
82841282
93041272
103141261
113241251
123341241
133542231
143642221
153742201
163942191
174041181
184241161
194441150
204540140
214740130
224939120
235039110
245238100
25543790
26563680
27583570
28593470
29613360
30633160
31653050

Wind in October

Winds average 8 km/h in October.

Across October, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
319calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 36 min at the start of October to 10 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 66 minutes over October. Sunrise moves from 6:55 AM to 7:22 AM, and sunset from 6:33 PM to 5:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:556:33
211.66:556:31
311.66:566:30
411.56:576:28
511.56:586:27
611.46:596:25
711.47:006:24
811.47:016:23
911.37:016:21
1011.37:026:20
1111.37:036:18
1211.27:046:17
1311.27:056:16
1411.17:066:14
1511.17:076:13
1611.17:086:12
1711.07:096:10
1811.07:106:09
1911.07:116:08
2010.97:126:06
2110.97:136:05
2210.87:136:04
2310.87:146:03
2410.87:156:02
2510.77:166:01
2610.77:175:59
2710.77:185:58
2810.67:195:57
2910.67:205:56
3010.67:215:55
3110.57:225:54

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.06 kWh/m².

For context, solar energy here swings from a low near 2.31 kWh/m² to a high of 7.62 kWh/m² in July across the year — October's 4.06 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.6Bright
44.6Bright
54.5Bright
64.5Bright
74.4Bright
84.4Bright
94.3Bright
104.3Bright
114.3Bright
124.2Bright
134.2Bright
144.1Bright
154.1Bright
164.0Bright
174.0Moderate
183.9Moderate
193.9Moderate
203.9Moderate
213.8Moderate
223.8Moderate
233.8Moderate
243.7Moderate
253.7Moderate
263.6Moderate
273.6Moderate
283.5Moderate
293.5Moderate
303.5Moderate
313.4Moderate
Planning a trip in October

Hazard calendar for Chlef

In seasonPeak

None of Chlef's seasonal hazards are active in October. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Chlef sees seasonal dust haze (July–August), heaviest in July.

Dust
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is October a good time to visit Chlef?

Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

7.6
Sightseeing
2nd-best month of the year
6.7
Beach & pool
6th-best month of the year

October is one of the better times to visit Chlef for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Chlef in October

From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In October, Chlef sees daytime highs around 25°C and nights near 15°C. Worth packing: light clothes. About 6 days see rain.

light clothes

Sea temperature near Chlef in October

The nearest coast averages about 21°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 47 km away) is warmest in August at about 25°C and coldest in February near 15°C.

It's comfortable for a long swim from Jun 8 to Nov 1 — about 4.8 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb15Cool
Mar15Cool
Apr16Cool
May18Cool
Jun21Refreshing
Jul23Refreshing
Aug25Warm
Sep24Refreshing
Oct21Refreshing
Nov19Cool
Dec17Cool

UV index in Chlef in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Chlef peaks around July 16 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateJul 16UV 10Dec 19UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar7High
Apr7High
May8Very high
Jun9Very high
Jul10Very high
Aug8Very high
Sep7Very high
Oct5Moderate
Nov3Moderate
Dec2Low

Air quality in Chlef in October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October falls, not just the annual average.

Air quality in Chlef is worst in September — around 28 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 1028 µg/m³Jan 1318 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb22Moderate
Mar27Moderate
Apr23Moderate
May19Moderate
Jun21Moderate
Jul26Moderate
Aug27Moderate
Sep28Moderate
Oct22Moderate
Nov19Moderate
Dec19Moderate
Location & terrain

Where is Chlef?

Chlef sits at 36.2°N, 1.3°E, 116 m above sea level, in Algeria. The nearest listed city is Ech Chettia, 8.0 km away.

Topography around Chlef

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Chlef.

Within 3 km, the terrain around Chlef has only modest variations in elevation — a maximum elevation change of 159 m around an average of 126 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 602 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,952 m.

The land around Chlef is covered by artificial surfaces (45%) and trees (21%) within 3 km, cropland (48%) and grassland (33%) within 16 km, and grassland (30%), cropland (28%) and water (22%) within 80 km.

3 km
159 m
16 km
602 m
80 km
1,952 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Ech Chettia 8.0 km · Oued Sly 14 km · Oued Fodda 18 km · Boukadir 22 km · Abou el Hassan 31 km · El Attaf 31 km · ’Aïn Merane 33 km · Sidi Akkacha 33 km

Algeria travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 33% of US
price level, 2025
GDP per capita
$6,051
2025
Happiness
5.7 / 10
World Happiness, 2025
Safe drinking water
69%
of population, 2024
Homicide rate
1.2
per 100k, 2023
Road deaths
20.9
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 468
Religion
Muslim 99%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Chlef (36.1653°, 1.3345°, elevation 116 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).